Hormone interactions in stomatal function |
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Authors: | Biswa R Acharya Sarah M Assmann |
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Institution: | (1) Biology Department, Pennsylvania State University, 208 Mueller Laboratory, University Park, PA 16802, USA |
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Abstract: | Research in recent years on the biology of guard cells has shown that these specialized cells integrate both extra- and intra-cellular
signals in the control of stomatal apertures. Among the phytohormones, abscisic acid (ABA) is one of the key players regulating
stomatal function. In addition, auxin, cytokinin, ethylene, brassinosteroids, jasmonates, and salicylic acid also contribute
to stomatal aperture regulation. The interaction of multiple hormones can serve to determine the size of stomatal apertures
in a condition-specific manner. Here, we discuss the roles of different phytohormones and the effects of their interactions
on guard cell physiology and function. |
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Keywords: | Abscisic acid (ABA) Auxin Guard cells Hormonal cross-talk Signal transduction Stomata |
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